/***************************************************************************/
/*                                                                         */
/*  afpic.c                                                                */
/*                                                                         */
/*    The FreeType position independent code services for autofit module.  */
/*                                                                         */
/*  Copyright 2009, 2010, 2011 by                                          */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "afpic.h"
#include "aferrors.h"

#ifdef FT_CONFIG_OPTION_PIC

/* forward declaration of PIC init functions from afmodule.c */
void FT_Init_Class_af_autofitter_service(
  FT_Library                 library,
  FT_AutoHinter_ServiceRec*  clazz );

/* forward declaration of PIC init functions from script classes */
#include "aflatin.h"
#ifdef FT_OPTION_AUTOFIT2
#include "aflatin2.h"
#endif
#include "afcjk.h"
#include "afdummy.h"
#include "afindic.h"

void
autofit_module_class_pic_free( FT_Library  library )
{
  FT_PIC_Container*  pic_container = &library->pic_container;
  FT_Memory          memory        = library->memory;


  if ( pic_container->autofit )
  {
    FT_FREE( pic_container->autofit );
    pic_container->autofit = NULL;
  }
}


FT_Error
autofit_module_class_pic_init( FT_Library  library )
{
  FT_PIC_Container*  pic_container = &library->pic_container;
  FT_UInt            ss;
  FT_Error           error         = AF_Err_Ok;
  AFModulePIC*       container;
  FT_Memory          memory        = library->memory;


  /* allocate pointer, clear and set global container pointer */
  if ( FT_ALLOC ( container, sizeof ( *container ) ) )
    return error;
  FT_MEM_SET( container, 0, sizeof ( *container ) );
  pic_container->autofit = container;

  /* initialize pointer table -                       */
  /* this is how the module usually expects this data */
  for ( ss = 0 ; ss < AF_SCRIPT_CLASSES_REC_COUNT ; ss++ )
  {
    container->af_script_classes[ss] =
      &container->af_script_classes_rec[ss];
  }
  container->af_script_classes[AF_SCRIPT_CLASSES_COUNT - 1] = NULL;

  /* add call to initialization function when you add new scripts */
  ss = 0;
  FT_Init_Class_af_dummy_script_class(
    &container->af_script_classes_rec[ss++] );
#ifdef FT_OPTION_AUTOFIT2
  FT_Init_Class_af_latin2_script_class(
    &container->af_script_classes_rec[ss++] );
#endif
  FT_Init_Class_af_latin_script_class(
    &container->af_script_classes_rec[ss++] );
  FT_Init_Class_af_cjk_script_class(
    &container->af_script_classes_rec[ss++] );
  FT_Init_Class_af_indic_script_class(
    &container->af_script_classes_rec[ss++] );

  FT_Init_Class_af_autofitter_service(
    library, &container->af_autofitter_service );

/* Exit: */

  if ( error )
    autofit_module_class_pic_free( library );
  return error;
}


#endif /* FT_CONFIG_OPTION_PIC */


/* END */
